diff --git a/include/GLFW/glfw3.h b/include/GLFW/glfw3.h
index 95aac6d9..c5436371 100644
--- a/include/GLFW/glfw3.h
+++ b/include/GLFW/glfw3.h
@@ -1684,6 +1684,10 @@ typedef void (* GLFWwindowcontentscalefun)(GLFWwindow* window, float xscale, flo
  *  may add more actions.
  *  @param[in] mods Bit field describing which [modifier keys](@ref mods) were
  *  held down.
+ *  @param[in] xpos The x-coordinate of the cursor, relative to the left edge of
+ *  the content area.
+ *  @param[in] ypos The y-coordinate of the cursor, relative to the top edge of
+ *  the content area.
  *
  *  @sa @ref input_mouse_button
  *  @sa @ref glfwSetMouseButtonCallback
@@ -1693,7 +1697,7 @@ typedef void (* GLFWwindowcontentscalefun)(GLFWwindow* window, float xscale, flo
  *
  *  @ingroup input
  */
-typedef void (* GLFWmousebuttonfun)(GLFWwindow* window, int button, int action, int mods);
+typedef void (* GLFWmousebuttonfun)(GLFWwindow* window, int button, int action, int mods, double xpos, double ypos);
 
 /*! @brief The function pointer type for cursor position callbacks.
  *
diff --git a/src/input.c b/src/input.c
index 83ef6921..948d47de 100644
--- a/src/input.c
+++ b/src/input.c
@@ -336,7 +336,7 @@ void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods)
         window->mouseButtons[button] = (char) action;
 
     if (window->callbacks.mouseButton)
-        window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods);
+        window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods, window->virtualCursorPosX, window->virtualCursorPosY);
 }
 
 // Notifies shared code of a cursor motion event